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DIAMOND ENGINEERING SERVICES
DBA: D E S Builders
Benicia, CA
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active registration · no operating authority · DOT 2968503
Active
No Safety Rating
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
0.0% OOS · 15 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- Driver out-of-service rate 0.0% — below the 5.5% national average
- Vehicle out-of-service rate 0.0% — below the 20.7% national average
- 15 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
2968503
Safety Rating
Not Rated
Operation Classification
Private (property)
MCS-150 Filed
July 23, 2024
FMCSA Registration
February 2, 2017
Annual Mileage
160,000 mi (2023)
Contact Information
Address
4255 Park Road, Benicia, CA 94510
Phone
Email
Owner / Officer
Eric Uhrenholt
Officer 2
Michael Odom
Cargo Types
Building MaterialsConstruction MaterialsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
15
Driver Inspections
13
Vehicle Inspections
12
Out-of-Service Violations
2
Violations by Category
Vehicle Maintenance5
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate0.0% · national avg 20.7%
✓ Below national average
0.0% of 5 inspections in the last 24 months put a driver or vehicle out of service —
0th percentile among carriers with 5–9 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
1 of 3 inspections
Unsafe Driving
0 of 5 inspections
Hours of Service
0 of 5 inspections
Driver Fitness
0 of 5 inspections
Controlled Substances
0 of 5 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CA9
Fleet & Equipment (6)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~5
of 4 reported to FMCSA
Trailers
~1
seen at inspection
Equipment types observed
Chassis / Incomplete
4
Truck
1
Utility Trailer
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2022 Ford F-450 | Chassis / Incomplete · Class 5 | 1FD0W4GT9NED75767 | 2 | — |
| 2022 Ford F-450 | Chassis / Incomplete · Class 5 | 1FD0W4HT2NED75768 | 2 | — |
| 2011 Ford F-350 | Chassis / Incomplete · Class 3 | 1FD8X3ET3BEC12900 | 2 | — |
| 2023 Gm GM515 | Truck · Class 5 | 1HTKJPVK1PH747100 | 2 | — |
| 2013 Ford F-350 | Chassis / Incomplete · Class 3 | 1FD8X3FT8DEB37287 | 1 | — |
| 2005 Carson Trailer | Utility Trailer · 10 ft | 4HXDT10245C084572 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (15)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 15, 2026 | UDM7005521 | CA, CA | II | 1 | — | — | Straight Truck |
FORD |
1FD8X3FT8DEB37287 |
CA 24105N1 |
| 392.2-SLLSOA | State/Local Laws - State operating authority violation | |||||||||
| November 12, 2025 | UED8001806 | SB I-680 WALNUT CREEK SCALES, CA | II | 2 | — | — | Straight Truck Trailer |
FORD CARSON TRAILER |
1FD0W4HT2NED75768 4HXDT10245C084572 |
CA 71581L3 CA 4FX1222 |
| 2 violations recorded. FMCSA only publishes individual violations for inspections inside its rolling 24-month window, so the details for this one are no longer available. | ||||||||||
| September 16, 2025 | NC7K010304 | MISSION GRADE IF, CA | I | — | — | — | Straight Truck |
FORD |
1FD0W4GT9NED75767 |
CA 68740M3 |
| September 4, 2025 | NC7K010253 | MISSION GRADE IF, CA | I | 3 | — | — | Straight Truck |
FORD |
1FD0W4GT9NED75767 |
CA 68740M3 |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| 393.201B-FR | Frame - Cab or body mounts loose/broken/missing | Cab Body Frame | ||||||||
| 396.3A1-DLDSCBBP | Driveline/Driveshaft - More than 1/2 inch (12.7mm) vertical movement (with hand pressure only) of the shaft in the center bearing carrier. | Other Vehicle Defect | ||||||||
| July 31, 2025 | UDK7004082 | CORDELIA IF, CA | III | — | — | — | Straight Truck |
FORD |
1FD8X3ET3BEC12900 |
CA 8Z41279 |
| February 28, 2025 | UDK7003750 | CORDELIA IF, CA | III | — | — | — | Straight Truck |
FORD |
1FD8X3ET3BEC12900 |
CA 8Z41279 |
| July 29, 2024 | NBH6005784 | CORDELIA IF, CA | III | — | — | — | Straight Truck |
GM |
1HTKJPVK1PH747100 |
MO 86KD8B |
| July 23, 2024 | NDMK005490 | CORDELIA IF, CA | I | — | — | — | Straight Truck |
FORD |
1FD8X3FT8DEB37287 |
CA 24105N1 |
| July 19, 2024 | UF73002115 | CORDELIA IF, CA | I | 2 | — | — | Straight Truck |
GM |
1HTKJPVK1PH747100 |
CA 86KD8B |
| 393.9TS | Inoperative turn signal | Lighting | ||||||||
| 390.21TA | CMV not marked in accordance with regulations | |||||||||
| July 16, 2024 | NCZ3006958 | CORDELIA IF, CA | I | 1 | — | — | Straight Truck |
FORD |
1FD0W4HT2NED75768 |
CA 71581L3 |
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 18, 2026.
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